615 lines
18 KiB
C++
615 lines
18 KiB
C++
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/*
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==============================================================================
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This file is part of the JUCE library.
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Copyright (c) 2020 - Raw Material Software Limited
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JUCE is an open source library subject to commercial or open-source
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licensing.
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By using JUCE, you agree to the terms of both the JUCE 6 End-User License
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Agreement and JUCE Privacy Policy (both effective as of the 16th June 2020).
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End User License Agreement: www.juce.com/juce-6-licence
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Privacy Policy: www.juce.com/juce-privacy-policy
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Or: You may also use this code under the terms of the GPL v3 (see
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www.gnu.org/licenses).
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JUCE IS PROVIDED "AS IS" WITHOUT ANY WARRANTY, AND ALL WARRANTIES, WHETHER
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EXPRESSED OR IMPLIED, INCLUDING MERCHANTABILITY AND FITNESS FOR PURPOSE, ARE
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DISCLAIMED.
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==============================================================================
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*/
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namespace juce
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{
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MultiDocumentPanelWindow::MultiDocumentPanelWindow (Colour backgroundColour)
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: DocumentWindow (String(), backgroundColour,
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DocumentWindow::maximiseButton | DocumentWindow::closeButton, false)
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{
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}
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MultiDocumentPanelWindow::~MultiDocumentPanelWindow()
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{
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}
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//==============================================================================
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void MultiDocumentPanelWindow::maximiseButtonPressed()
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{
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if (auto* owner = getOwner())
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owner->setLayoutMode (MultiDocumentPanel::MaximisedWindowsWithTabs);
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else
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jassertfalse; // these windows are only designed to be used inside a MultiDocumentPanel!
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}
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void MultiDocumentPanelWindow::closeButtonPressed()
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{
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if (auto* owner = getOwner())
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owner->closeDocumentAsync (getContentComponent(), true, nullptr);
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else
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jassertfalse; // these windows are only designed to be used inside a MultiDocumentPanel!
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}
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void MultiDocumentPanelWindow::activeWindowStatusChanged()
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{
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DocumentWindow::activeWindowStatusChanged();
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updateOrder();
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}
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void MultiDocumentPanelWindow::broughtToFront()
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{
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DocumentWindow::broughtToFront();
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updateOrder();
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}
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void MultiDocumentPanelWindow::updateOrder()
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{
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if (auto* owner = getOwner())
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owner->updateOrder();
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}
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MultiDocumentPanel* MultiDocumentPanelWindow::getOwner() const noexcept
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{
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return findParentComponentOfClass<MultiDocumentPanel>();
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}
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//==============================================================================
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struct MultiDocumentPanel::TabbedComponentInternal : public TabbedComponent
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{
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TabbedComponentInternal() : TabbedComponent (TabbedButtonBar::TabsAtTop) {}
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void currentTabChanged (int, const String&) override
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{
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if (auto* owner = findParentComponentOfClass<MultiDocumentPanel>())
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owner->updateOrder();
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}
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};
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//==============================================================================
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MultiDocumentPanel::MultiDocumentPanel()
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{
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setOpaque (true);
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}
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MultiDocumentPanel::~MultiDocumentPanel() = default;
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//==============================================================================
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namespace MultiDocHelpers
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{
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static bool shouldDeleteComp (Component* const c)
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{
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return c->getProperties() ["mdiDocumentDelete_"];
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}
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}
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#if JUCE_MODAL_LOOPS_PERMITTED
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bool MultiDocumentPanel::closeAllDocuments (const bool checkItsOkToCloseFirst)
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{
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while (! components.isEmpty())
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if (! closeDocument (components.getLast(), checkItsOkToCloseFirst))
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return false;
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return true;
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}
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#endif
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void MultiDocumentPanel::closeLastDocumentRecursive (SafePointer<MultiDocumentPanel> parent,
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bool checkItsOkToCloseFirst,
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std::function<void (bool)> callback)
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{
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if (parent->components.isEmpty())
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{
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if (callback != nullptr)
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callback (true);
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return;
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}
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parent->closeDocumentAsync (parent->components.getLast(),
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checkItsOkToCloseFirst,
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[parent, checkItsOkToCloseFirst, callback] (bool closeResult)
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{
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if (parent == nullptr)
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return;
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if (! closeResult)
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{
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if (callback != nullptr)
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callback (false);
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return;
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}
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parent->closeLastDocumentRecursive (parent, checkItsOkToCloseFirst, std::move (callback));
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});
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}
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void MultiDocumentPanel::closeAllDocumentsAsync (bool checkItsOkToCloseFirst, std::function<void (bool)> callback)
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{
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closeLastDocumentRecursive (this, checkItsOkToCloseFirst, std::move (callback));
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}
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#if JUCE_MODAL_LOOPS_PERMITTED
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bool MultiDocumentPanel::tryToCloseDocument (Component*)
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{
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// If you hit this assertion then you need to implement this method in a subclass.
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jassertfalse;
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return false;
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}
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#endif
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MultiDocumentPanelWindow* MultiDocumentPanel::createNewDocumentWindow()
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{
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return new MultiDocumentPanelWindow (backgroundColour);
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}
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void MultiDocumentPanel::addWindow (Component* component)
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{
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auto* dw = createNewDocumentWindow();
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dw->setResizable (true, false);
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dw->setContentNonOwned (component, true);
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dw->setName (component->getName());
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auto bkg = component->getProperties() ["mdiDocumentBkg_"];
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dw->setBackgroundColour (bkg.isVoid() ? backgroundColour : Colour ((uint32) static_cast<int> (bkg)));
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int x = 4;
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if (auto* topComp = getChildren().getLast())
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if (topComp->getX() == x && topComp->getY() == x)
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x += 16;
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dw->setTopLeftPosition (x, x);
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auto pos = component->getProperties() ["mdiDocumentPos_"];
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if (pos.toString().isNotEmpty())
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dw->restoreWindowStateFromString (pos.toString());
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addAndMakeVisible (dw);
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dw->toFront (true);
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}
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bool MultiDocumentPanel::addDocument (Component* const component,
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Colour docColour,
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const bool deleteWhenRemoved)
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{
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// If you try passing a full DocumentWindow or ResizableWindow in here, you'll end up
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// with a frame-within-a-frame! Just pass in the bare content component.
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jassert (dynamic_cast<ResizableWindow*> (component) == nullptr);
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if (component == nullptr || (maximumNumDocuments > 0 && components.size() >= maximumNumDocuments))
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return false;
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components.add (component);
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component->getProperties().set ("mdiDocumentDelete_", deleteWhenRemoved);
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component->getProperties().set ("mdiDocumentBkg_", (int) docColour.getARGB());
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component->addComponentListener (this);
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if (mode == FloatingWindows)
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{
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if (isFullscreenWhenOneDocument())
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{
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if (components.size() == 1)
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{
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addAndMakeVisible (component);
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}
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else
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{
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if (components.size() == 2)
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addWindow (components.getFirst());
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addWindow (component);
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}
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}
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else
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{
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addWindow (component);
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}
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}
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else
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{
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if (tabComponent == nullptr && components.size() > numDocsBeforeTabsUsed)
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{
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tabComponent.reset (new TabbedComponentInternal());
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addAndMakeVisible (tabComponent.get());
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auto temp = components;
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for (auto& c : temp)
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tabComponent->addTab (c->getName(), docColour, c, false);
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resized();
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}
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else
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{
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if (tabComponent != nullptr)
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tabComponent->addTab (component->getName(), docColour, component, false);
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else
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addAndMakeVisible (component);
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}
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setActiveDocument (component);
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}
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resized();
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activeDocumentChanged();
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return true;
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}
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void MultiDocumentPanel::closeDocumentInternal (Component* component)
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{
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// Intellisense warns about component being uninitialised.
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// I'm not sure how a function argument could be uninitialised.
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JUCE_BEGIN_IGNORE_WARNINGS_MSVC (6001)
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component->removeComponentListener (this);
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const bool shouldDelete = MultiDocHelpers::shouldDeleteComp (component);
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component->getProperties().remove ("mdiDocumentDelete_");
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component->getProperties().remove ("mdiDocumentBkg_");
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if (mode == FloatingWindows)
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{
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for (auto* child : getChildren())
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{
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if (auto* dw = dynamic_cast<MultiDocumentPanelWindow*> (child))
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{
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if (dw->getContentComponent() == component)
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{
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std::unique_ptr<MultiDocumentPanelWindow> (dw)->clearContentComponent();
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break;
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}
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}
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}
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if (shouldDelete)
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delete component;
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components.removeFirstMatchingValue (component);
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if (isFullscreenWhenOneDocument() && components.size() == 1)
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{
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for (int i = getNumChildComponents(); --i >= 0;)
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{
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std::unique_ptr<MultiDocumentPanelWindow> dw (dynamic_cast<MultiDocumentPanelWindow*> (getChildComponent (i)));
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if (dw != nullptr)
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dw->clearContentComponent();
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}
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addAndMakeVisible (components.getFirst());
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}
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}
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else
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{
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jassert (components.indexOf (component) >= 0);
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if (tabComponent != nullptr)
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{
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for (int i = tabComponent->getNumTabs(); --i >= 0;)
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if (tabComponent->getTabContentComponent (i) == component)
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tabComponent->removeTab (i);
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}
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else
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{
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removeChildComponent (component);
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}
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if (shouldDelete)
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delete component;
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if (tabComponent != nullptr && tabComponent->getNumTabs() <= numDocsBeforeTabsUsed)
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tabComponent.reset();
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components.removeFirstMatchingValue (component);
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if (components.size() > 0 && tabComponent == nullptr)
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addAndMakeVisible (components.getFirst());
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}
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resized();
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// This ensures that the active tab is painted properly when a tab is closed!
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if (auto* activeComponent = getActiveDocument())
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setActiveDocument (activeComponent);
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activeDocumentChanged();
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JUCE_END_IGNORE_WARNINGS_MSVC
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}
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#if JUCE_MODAL_LOOPS_PERMITTED
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bool MultiDocumentPanel::closeDocument (Component* component,
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const bool checkItsOkToCloseFirst)
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{
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// Intellisense warns about component being uninitialised.
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// I'm not sure how a function argument could be uninitialised.
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JUCE_BEGIN_IGNORE_WARNINGS_MSVC (6001)
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if (component == nullptr)
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return true;
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if (components.contains (component))
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{
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if (checkItsOkToCloseFirst && ! tryToCloseDocument (component))
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return false;
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closeDocumentInternal (component);
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}
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else
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{
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jassertfalse;
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}
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return true;
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JUCE_END_IGNORE_WARNINGS_MSVC
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}
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#endif
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void MultiDocumentPanel::closeDocumentAsync (Component* component,
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const bool checkItsOkToCloseFirst,
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std::function<void (bool)> callback)
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{
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// Intellisense warns about component being uninitialised.
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// I'm not sure how a function argument could be uninitialised.
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JUCE_BEGIN_IGNORE_WARNINGS_MSVC (6001)
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if (component == nullptr)
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{
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if (callback != nullptr)
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callback (true);
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return;
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}
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if (components.contains (component))
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{
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if (checkItsOkToCloseFirst)
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{
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tryToCloseDocumentAsync (component,
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[parent = SafePointer<MultiDocumentPanel> { this }, component, callback] (bool closedSuccessfully)
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{
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if (parent == nullptr)
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return;
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if (closedSuccessfully)
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parent->closeDocumentInternal (component);
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if (callback != nullptr)
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callback (closedSuccessfully);
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});
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return;
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}
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}
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else
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{
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jassertfalse;
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}
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if (callback != nullptr)
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callback (true);
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JUCE_END_IGNORE_WARNINGS_MSVC
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}
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int MultiDocumentPanel::getNumDocuments() const noexcept
|
||
|
|
{
|
||
|
|
return components.size();
|
||
|
|
}
|
||
|
|
|
||
|
|
Component* MultiDocumentPanel::getDocument (const int index) const noexcept
|
||
|
|
{
|
||
|
|
return components [index];
|
||
|
|
}
|
||
|
|
|
||
|
|
Component* MultiDocumentPanel::getActiveDocument() const noexcept
|
||
|
|
{
|
||
|
|
if (mode == FloatingWindows)
|
||
|
|
{
|
||
|
|
for (auto* child : getChildren())
|
||
|
|
if (auto* dw = dynamic_cast<MultiDocumentPanelWindow*> (child))
|
||
|
|
if (dw->isActiveWindow())
|
||
|
|
return dw->getContentComponent();
|
||
|
|
}
|
||
|
|
|
||
|
|
return components.getLast();
|
||
|
|
}
|
||
|
|
|
||
|
|
void MultiDocumentPanel::setActiveDocument (Component* component)
|
||
|
|
{
|
||
|
|
jassert (component != nullptr);
|
||
|
|
|
||
|
|
if (mode == FloatingWindows)
|
||
|
|
{
|
||
|
|
component = getContainerComp (component);
|
||
|
|
|
||
|
|
if (component != nullptr)
|
||
|
|
component->toFront (true);
|
||
|
|
}
|
||
|
|
else if (tabComponent != nullptr)
|
||
|
|
{
|
||
|
|
jassert (components.indexOf (component) >= 0);
|
||
|
|
|
||
|
|
for (int i = tabComponent->getNumTabs(); --i >= 0;)
|
||
|
|
{
|
||
|
|
if (tabComponent->getTabContentComponent (i) == component)
|
||
|
|
{
|
||
|
|
tabComponent->setCurrentTabIndex (i);
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
component->grabKeyboardFocus();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
void MultiDocumentPanel::activeDocumentChanged()
|
||
|
|
{
|
||
|
|
}
|
||
|
|
|
||
|
|
void MultiDocumentPanel::setMaximumNumDocuments (const int newNumber)
|
||
|
|
{
|
||
|
|
maximumNumDocuments = newNumber;
|
||
|
|
}
|
||
|
|
|
||
|
|
void MultiDocumentPanel::useFullscreenWhenOneDocument (const bool shouldUseTabs)
|
||
|
|
{
|
||
|
|
numDocsBeforeTabsUsed = shouldUseTabs ? 1 : 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
bool MultiDocumentPanel::isFullscreenWhenOneDocument() const noexcept
|
||
|
|
{
|
||
|
|
return numDocsBeforeTabsUsed != 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
//==============================================================================
|
||
|
|
void MultiDocumentPanel::setLayoutMode (const LayoutMode newLayoutMode)
|
||
|
|
{
|
||
|
|
if (mode != newLayoutMode)
|
||
|
|
{
|
||
|
|
mode = newLayoutMode;
|
||
|
|
|
||
|
|
if (mode == FloatingWindows)
|
||
|
|
{
|
||
|
|
tabComponent.reset();
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
for (int i = getNumChildComponents(); --i >= 0;)
|
||
|
|
{
|
||
|
|
std::unique_ptr<MultiDocumentPanelWindow> dw (dynamic_cast<MultiDocumentPanelWindow*> (getChildComponent (i)));
|
||
|
|
|
||
|
|
if (dw != nullptr)
|
||
|
|
{
|
||
|
|
dw->getContentComponent()->getProperties().set ("mdiDocumentPos_", dw->getWindowStateAsString());
|
||
|
|
dw->clearContentComponent();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
resized();
|
||
|
|
|
||
|
|
auto tempComps = components;
|
||
|
|
components.clear();
|
||
|
|
|
||
|
|
for (auto* c : tempComps)
|
||
|
|
addDocument (c,
|
||
|
|
Colour ((uint32) static_cast<int> (c->getProperties().getWithDefault ("mdiDocumentBkg_", (int) Colours::white.getARGB()))),
|
||
|
|
MultiDocHelpers::shouldDeleteComp (c));
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
void MultiDocumentPanel::setBackgroundColour (Colour newBackgroundColour)
|
||
|
|
{
|
||
|
|
if (backgroundColour != newBackgroundColour)
|
||
|
|
{
|
||
|
|
backgroundColour = newBackgroundColour;
|
||
|
|
setOpaque (newBackgroundColour.isOpaque());
|
||
|
|
repaint();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
//==============================================================================
|
||
|
|
void MultiDocumentPanel::paint (Graphics& g)
|
||
|
|
{
|
||
|
|
g.fillAll (backgroundColour);
|
||
|
|
}
|
||
|
|
|
||
|
|
void MultiDocumentPanel::resized()
|
||
|
|
{
|
||
|
|
if (mode == MaximisedWindowsWithTabs || components.size() == numDocsBeforeTabsUsed)
|
||
|
|
{
|
||
|
|
for (auto* child : getChildren())
|
||
|
|
child->setBounds (getLocalBounds());
|
||
|
|
}
|
||
|
|
|
||
|
|
setWantsKeyboardFocus (components.size() == 0);
|
||
|
|
}
|
||
|
|
|
||
|
|
Component* MultiDocumentPanel::getContainerComp (Component* c) const
|
||
|
|
{
|
||
|
|
if (mode == FloatingWindows)
|
||
|
|
{
|
||
|
|
for (auto* child : getChildren())
|
||
|
|
if (auto* dw = dynamic_cast<MultiDocumentPanelWindow*> (child))
|
||
|
|
if (dw->getContentComponent() == c)
|
||
|
|
return dw;
|
||
|
|
}
|
||
|
|
|
||
|
|
return c;
|
||
|
|
}
|
||
|
|
|
||
|
|
void MultiDocumentPanel::componentNameChanged (Component&)
|
||
|
|
{
|
||
|
|
if (mode == FloatingWindows)
|
||
|
|
{
|
||
|
|
for (auto* child : getChildren())
|
||
|
|
if (auto* dw = dynamic_cast<MultiDocumentPanelWindow*> (child))
|
||
|
|
dw->setName (dw->getContentComponent()->getName());
|
||
|
|
}
|
||
|
|
else if (tabComponent != nullptr)
|
||
|
|
{
|
||
|
|
for (int i = tabComponent->getNumTabs(); --i >= 0;)
|
||
|
|
tabComponent->setTabName (i, tabComponent->getTabContentComponent (i)->getName());
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
void MultiDocumentPanel::updateOrder()
|
||
|
|
{
|
||
|
|
auto oldList = components;
|
||
|
|
|
||
|
|
if (mode == FloatingWindows)
|
||
|
|
{
|
||
|
|
components.clear();
|
||
|
|
|
||
|
|
for (auto* child : getChildren())
|
||
|
|
if (auto* dw = dynamic_cast<MultiDocumentPanelWindow*> (child))
|
||
|
|
components.add (dw->getContentComponent());
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
if (tabComponent != nullptr)
|
||
|
|
{
|
||
|
|
if (auto* current = tabComponent->getCurrentContentComponent())
|
||
|
|
{
|
||
|
|
components.removeFirstMatchingValue (current);
|
||
|
|
components.add (current);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if (components != oldList)
|
||
|
|
activeDocumentChanged();
|
||
|
|
}
|
||
|
|
|
||
|
|
} // namespace juce
|